It looks like this is a web page, not a feed. I looked for a feed associated with this page, but couldn't find one. Please enter the address of your feed to validate.

Source: https://blog-affm2pwwu.mit-edu.top/post/1645097238

  1. <!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="390"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "blog-affm2pwwu.mit-edu.top",cType: 'managed',cRay: '90f61e95f83d820f',cH: '2C.PGBmacp7N27_RIQkMANY4z6mzPteuRP.FY6naiGQ-1739127806-1.2.1.1-8AJcrriejxuKz8Ad5xqqUgbUo6k34wp2aVfse3zhlL70Rr8terD8Ezo.xijiISNn',cUPMDTk: "\/post\/1645097238?__cf_chl_tk=iELpQ61hVMVCB_WRkj91IcxLnp4C01RYjMvnxCH.x8s-1739127806-1.0.1.1-htJZIoXy_fkEktd91N3Z4wPWKaL0ksqmlDuLcdA5AAE",cFPWv: 'g',cITimeS: '1739127806',cTTimeMs: '1000',cMTimeMs: '390000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/post\/1645097238?__cf_chl_f_tk=iELpQ61hVMVCB_WRkj91IcxLnp4C01RYjMvnxCH.x8s-1739127806-1.0.1.1-htJZIoXy_fkEktd91N3Z4wPWKaL0ksqmlDuLcdA5AAE",md: "kRlKFDF0dvx4JUNglCix.Eif7GzF0cf69SkNp7Wht_Q-1739127806-1.2.1.1-nFnkkEiCTKAykUotaJU3j4CHf_juGbBAnO0sqkKx9adspSCoL9krnvzHyHhyEttNXHNd24..lt02qggQvI1SZhneaFKECnnEBpCW_vh_icFI4YY7ewa8VPIDuqqoqYzn9XcOuvU.hqRjURHNjx.4zniSaoxga_bFH1SsFVUEZXk0LADirHBh_tJimhU6cJ8Q15SUF9RsdjGxBM7VnwVN.FtDguCZDX8uNx.iR63Qe4Ry7VpuziS0cxOFcYKewJqdwlTOlGevZiK7ljDC.KO96PQGTc1LR9j6Z820MGnT7uwDlRUwj5p1dd7kzX8VDZr0HKvW0aP9q5epqdPH6a_9Urbkc4MfkZ_TVZ1a_7blbpwo687.ignGxdO.7lHxSVbptsOUuLzuxhDEGThxBYCSulmt_tuhiACjOQsQkItg0bAxU3cRhNDuq4bAd1p0y5MKynG5yiClKDCTe.psv.uEchv7raqPJhG.uPKMkQpBlK3eAVkpAcWa1n1gpIOsBO4LgrrnPfKt7x0XbBbaM3kh4UmGWW1xOzrtZ8wdYKgNu4Q8lkHKnbNUGQ.EgfbSFePRCa3G1gjo11cKdRuXV4Go8wF2U_UxsdsOScIF4AX3wTh.gdbydqAFJ8S8kiSGaPQC2UB7R6EsrtMXG7PJFbqyFYFYlZDZk6F7WrBQwiJS4Pvh_EIuluAHJOXvEhhawhbTue210LNQcrZJRxq8vJoHYZIr7lrE7Isj8D3ToGqXzBv5bR2UUEBluszSfyL2D4g4UrvNnZawxjQijVYDJDK3B6wte07gleZW2VYdt.TjhQQNnyW7XYADZHBwx2QASjs4obklf1GDdNEbi27KqvLAi.kA9QpP7OmTQUM7lb1KaAEgh0Irtxf5kJHdG7ZVI._fTmyot2kIqhi55DKOQhzCqBA6DFH0UMvEvbQmtUOZFsC0D3O6UpxN5NuWRm1EOYx01yG1deubCX05.i59Fgco8qjimOcLWQjEKJ4sqwbZUY_qfF4OaFxQNy4BJYeD.zvXspMRE24rpQdaFBKYYgOYKYKscT76Lq1F_0tp7MlxogJGT5PGvjTDl_FC6jk4cVnrXNOxf8HQHT.GU_mcUR6hzD4XQiYexaTAx7bTYDXkfbka9sSHwZwZ.32jJhL9HHePq8RwV3elL9SzBYAZMQGwS_CLZ3hgCy5xfNCmNPsvnMue3w7gFwCOv9pwVHOQjEgKY.XjxUr1t05aSVuSHwxxRHt9Ui4a2jnmAaSzelXkDiobEu0i5GZHtGBANydLhJelULyhhv6BRUTflyyURmMVtE0X64l7zgXUG3XXJyqLG76GaRHUBlshW1OLMtnEkpOMbgfGIqDcp8TJ9rksVQErLcM7gk48m5IGs1ruBZeKEV2iUtPw.Atqkywb_E6RW9KZThB8luTLe1p4ugOmZhrwhhMNVKvUpaq8V.h5bRi6yy6h19QF8u_5wifKvEwlqP8XSpeqHBOptSj8PvQMVk8tKtHdhKDB6sn1wMag6QcMva4aSKtubSc.6HTEjbzAcMuGQElK_hGzaPM52.UOv9D3t1CSNJj3nnoxl.KeEAoXzomuNuJH7c9PVXWfeiUj50svy4qnDZ8nmTQkfdP_R4i6NLufsoCFAU6wI15CFmKuI2tw7eYxEIXFNK37wPJimx1QTGy5fYCWAVr2Jtjfp0v.KipSUYHcDrlkeluAcCir5Pr4Ks_DiZ6fnCyDrNN_6qG1xZd4UqC.2xTM1v15.Y3EXley_ZTwxP4N9sOcxHdGZsMYN0MS1.anJtuWqWjmZUWG9J5fsUqJ3pLyua43ENFk_SMnNLQ8dPCa86GYzIRqbNnLWksmqEmGmUvEmkbc_ESkfrQdRoUnZqOMIBeBauyonymy6iZNwq53GKy6RzO.F2jCc3kzewhnwg72HPe64s4kO8qzQIvlahf2PBAdVKhVLIHxA2iREuf1UUHtrQVuOgUhB_S380NlYlHfydbs9MmzZXsZhQxV2j1qgiVxZT8pqEC_XEcsnlUHbRLr.gmjPARx2f8AyXKD3cA.613ysZrXoGHWb9WS.ImLX8vWQRga_JhF3CnQqJhnz572plSzQHmzEEXLUHoZLwPyQrOAjyTfEuStsdUN_pzW7hU9qCFB3l6Wh5bKwbvF47QZWYfj4uTSd7A_TvjwaDdtviVD23ncHQC7dmqFiqWMdliTK8ePzxHKDwuhPrtKw79EgCS5msrBDyckaB6jRk9GNVl0sDeK",mdrd: "LPVFexKsQftuaoO7Ev.NAIVXBbC9p5C2feZP31T6PPc-1739127806-1.2.1.1-_8Uc2lA6TBJNeh9_1uQBCuOT_YMlL9nhBtrdAjyw.iJTRfxHlGqtB5VGm5vfUDE2UbUOR1n_Byd0A_2cMehFr7U80O6PHfzlPLJtwX2e5UgeU.XL_ou8BPePfg0srvdF_U7827vmtoPfzvIgm6A2JsT748Zr6lNoET4mWhH_ABdbG3hAlfHZ3BPVfozZ_vVd10Z2QyXmB7YCrOB6VyUw5.8jgE4HOnZ2tBG16Vm1ecMyrC1qC1P_5hvcywxzxp5Lr3Jt5ksa.SzOAT9W.3klUW2FdLivNwhcdWW70xs75fgFR3lIb5mFw8lMdNwww_dI10qDkIOYLUwWE3Kg1cm7Yxdd8k8esmZuPMZ6FUFvSCsMTI2p3JHcpX3QOqPT.djiyit3llVPmtWxVz6VLRcRSvYMZVoxGXapOMbv139KSIBgW6o7MmrlNvQdWPhNF9YXZrcJKmc.TSNglNUvvLOwg9A0oO.dSzp2VQuGTksnuI8ntp9oODmuQBFb1P44N2yLvlCcNt1etfpifbwZB_zlMW7bM7CB8Z_OoI0W9iVuOycYtSDRDSUBRk76.bIt7VWv8Sn0li5CTuf.7hCsioxjQtFiAGCQREQcvvoAVkZCaxbhKA2_DwKMrKL_2XyqB62WMeN4Rg_VNt1aTmBoscp8wOsojn9TuTWzoEKyrLJpCL1eupGxcdYsWUscEx7h6wOmKouYWq_T9RwHEIWnFLZyyrb9nXI01WIg3jEXNjJEpVMZT8m4HqnBvm9ygcwV48I9v51ICBoL1F4DKiBGd2TF.j4qiNp4o3AmArsPiXDQkaV65LtUbLbgVixO3b.moLX5GEJX49EIAt8jrYTaYAvc_1aCGaqm7_zxQSZBlLIRuU0Yu65rM4M.VMEeK0pK.NH8AcRBispM0jYwxGSgTSmKz0sHVxCBmvewz1CLCbxEelKqDf.lpdqfUMDCHBkYODisG._BG4niFyP_zJcBJ7z.F01aYoyITS7q6eovrd_EdgISothtuUGw69S9HNEgy5GQX5NF96oW2oRt6qQpb72GolIR0kw4o9nkbfuYIh9q.MFFrhJi8cP6c0fCA.4TOQnx2tfiD8qDUtpw5h5WLBiNIQjkeseiM5_75II1ouKP2gLSa7X2cDq95Eg7Koq.XUtTNgdxOvqPL4eueg8hrB0pwC2kB_jjljPvhGItAeNQ4diT9zd1asOs9g2tyW96KxONErvoJ5slPDo6BdtPqaGywhLGYoGWX__E8IF.N3neV2oXDQTDpqmqUX5CZlEAnHpJPx9QU9EJF5BdU8bYLP_0973YWqnVAjAHw23PNcMqDK5F_zEkDARguI.68nYI6kgSVODOBzbvqp0EmXSAgoOIluBKEOsXtm5k7lmZxoS.Gi75ieuFzsOBOLlmHAOtkDq.oVNMa1UkXeDWl1XxtGkFwYOHluCLKTwF9gvnKl2X8cw0h.aiJ2Ma8IDxbvq8zXhpdqJrISCJdlEs4f62fq_GAt5wOvZ8LHeXfE6KEEbdm3p5RFFYr.uNYoBfqDn6wkru47riVtHxX5LzldM7MSw2o_j6HPjNtjFGCCdlBUFV7vUH24g5vbSHJ48Oooga6O3lCIn6bJxEFMKFPAjRGJnZUX_Ncg8ikBVpoWRqxxn5xEGSaHDOUrLf9pprTOvzPDbvZYbywkVX2ZQY7pa1OWjqsB03ZCdErOQpLRkgxQltcq8KZc2T5GGUexpjYnSz8FiI4DcBjdYq4SmQthQwnrZfjOAjL1EFGAzQmeJAq6XCaqCcv_n.Rn8cCZAlxyRZ1hmBHe3neyKBDn8HnicvA73G2A"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/g/orchestrate/chl_page/v1?ray=90f61e95f83d820f';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/post\/1645097238?__cf_chl_rt_tk=iELpQ61hVMVCB_WRkj91IcxLnp4C01RYjMvnxCH.x8s-1739127806-1.0.1.1-htJZIoXy_fkEktd91N3Z4wPWKaL0ksqmlDuLcdA5AAE" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>
Copyright © 2002-9 Sam Ruby, Mark Pilgrim, Joseph Walton, and Phil Ringnalda